#include <stdio.h>

int main()
{
	char words[26] = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
	for (int i = 0; i < 26; i++) {
		printf("%d ", words[i]);
		if ((i+1) % 3 == 0) {
			printf("\n");
		}
	}
	return 0;
}